How often is WN639 on time?

Across 27 flights on MDW → DAL from 2025-10-02 to 2025-11-01, WN639 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +8 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

Performance by month

Performance by day of week

Other routes

• WN639 on BNA → PHX (27 flights)
• WN639 on BNA → FLL (58 flights)
• WN639 on BWI → LAX (33 flights)
• WN639 on MCO → PIT (44 flights)
• WN639 on AUS → LGB (31 flights)
• WN639 on MCO → SMF (28 flights)
• WN639 on RSW → MKE (1 flights)
• WN639 on AUS → BOS (50 flights)
• WN639 on BOS → BWI (24 flights)
• WN639 on AUS → LAX (14 flights)
• WN639 on MAF → AUS (15 flights)
• WN639 on TPA → STL (10 flights)

Related

• All Southwest Airlines flights on MDW → DAL
• Compare airlines on MDW → DAL
• Southwest Airlines on the return, DAL → MDW